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In response to a request from Thomson Consumer Electronics (SIC- 3229), Circleville, Ohio and the International Brotherhood of Electrical Workers, an investigation was made to determine if cancers among workers were occupationally related. The company manufactured glass panels and funnels used in the production of television picture tubes. The facility employed about 560 persons and operated 24 hours a day, 7 days a week, on a four shift schedule. Airborne concentrations of coal-tar-pitch volatiles (CTPV) ranged from nondetectable to 0.19mg/m3. Only one of the three general area air samples had a detectable concentration, recommended exposure limit of 0.1mg/m3 and one area sample exceeded the OSHA permissible exposure limit of 0.2mg/m3. Trace levels of four polynuclear aromatic hydrocarbons were detected. Lead (7439921) exposure was monitored for furnace operators, the ware handlers and the inspector/packers. The results ranged from nondetectable to 248 micrograms/cubic meter. Seven bulk settled dust samples were collected for asbestos (1332214) identification. The amounts of chrysotile (12001295) present ranged from 1 to 20%. The authors conclude that there was insufficient evidence to link the cancers and illnesses present in the work force with occupational exposures. Health hazards existed from exposure to coal-tar-pitch volatiles and lead among press operators and ware handlers, respectively. The chrysotile levels were high enough that abatement measures were warranted.